{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["members", "city of headquarters", "subsidiaries", "state or province of headquarters"], "input": "The  British Motor Corporation Limited  ( BMC ) was a Longbridge  United Kingdom  based vehicle manufacturer a new holding company formed in early 1952 to give effect to an agreed merger of the Morris and Austin businesses ."}
{"members": [], "city of headquarters": [], "subsidiaries": [], "state or province of headquarters": []}